Answers: 1
Biology, 22.06.2019 01:30
Which is an advantage of having memory cells when a pathogen is encountered for a second time. a) the memory cells are what proliferate into clones of cells in response to the binding of an antigen. b) memory cells are vital to the primary immune response in that they immediately recognize pathogens even at the first encounter. c) memory cells are essentially effector cells that are short lived and attack antigens even without having a receptor specific to that antigen. d) it ensures that more lymphocytes with a receptor specific to a particular antigen will be present than in a host that had never encountered that pathogen.
Answers: 1
Biology, 22.06.2019 04:00
In the water cycle , when does water undergo a chemical change
Answers: 1
Biology, 22.06.2019 18:00
Deserts (especially true deserts) are not easy places for animals to live. animals who live in them often have special features that them survive. which adaptation would be for this group of animals? a) keen eye sight b) short, narrow legs c) tolerate heat d) webbed feet
Answers: 2
Biology, 22.06.2019 22:00
Which of these chinese regions is the most densely populated?
Answers: 1
Only mutations of cells are passes on to their offspring...
Physics, 12.03.2021 02:30
Mathematics, 12.03.2021 02:30
Mathematics, 12.03.2021 02:30
Health, 12.03.2021 02:30
Mathematics, 12.03.2021 02:30
Mathematics, 12.03.2021 02:30
Mathematics, 12.03.2021 02:30
Arts, 12.03.2021 02:30
Mathematics, 12.03.2021 02:30
Geography, 12.03.2021 02:30
Mathematics, 12.03.2021 02:30
Mathematics, 12.03.2021 02:30